<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="app">
<!--  在遍历过程中没有使用索引-->
  <ul>
    <li v-for="item in games">{{item}}</li>
  </ul>
<!--  在遍历的过程中，获取索引-->
  <ul>
    <li v-for="(item,index) in games ">{{index+1}}.{{item}}</li>
  </ul>
</div>

<script src="../js/vue.js"></script>
<script>
    const  app = new Vue({
      el:'#app',
      data:{
        games: ['wow', 'lol' , 'csgo', 'dota']
      }
    })
</script>
</body>
</html>